Right Inbox

Right Inbox is a browser extension that adds missing features to Gmail. It installs in about half a minute and runs in Chrome, Safari and Firefox. The maker says more than 250,000 professionals have added it to their mailbox.

What Right Inbox offers

• Email tracking — shows who opens messages and clicks links.
• Send later — lets a user write now and deliver at a chosen time, including in the recipient's time zone.
• Follow-up sequences — sends reminders automatically and stops them once the recipient replies.
• Templates — inserts saved text with one click.
• Multiple signatures — switches between sign-offs without leaving the Gmail editor.
• Private notes — attaches notes to emails that only the sender sees.

Who it works with

Sales staff, managers, business owners and freelancers who do much of their work in Gmail and need to follow up reliably.

Key facts

• Platform: Gmail, through Chrome, Safari and Firefox
• Setup time: about 30 seconds
• Users: more than 250,000 professionals, as stated by the vendor